Hi everyone,
I am trying to set up the .profile for a user I have just created. In trying to set up the shell variables, I want to make the shell be korn shell (default shell i believe is Borne shell), so, this is what I did:
SHELL=/usr/bin/ksh
export SHELL
Whenl executing the .profile,... (1 Reply)
I'm not quite sure what I'm doing wrong here.
I've go several jobs which print reports. Occassionally a printer will break down and reports need to be move to another printer. Rather than hard code the printer names in our scripts I'm trying to set these programatically
using our function... (1 Reply)
i have a file .NAMEexport MY_NAME=JOE
when i do this at the command prompt #. .NAME
$echo MY_NAME
$JOEi created a script called Run.sh . .NAME At the command prompt i did #sh Run.sh
#echo $MY_NAMEit returns nothing. What have i missed out? (7 Replies)
Hi all,
I have a shell script that sets up the environment for an application running on UNIX - ksh. This script is run using:
. ./script_name XX
where XX is a parameter. I want to run it from another shell script but when I do it I don't get the envornment variables set up and the prompt... (3 Replies)
Hello everyone,
I am currently trying to program in java in unix platform for the first time, so far it is OK as long as I use class libraries which come with java distribution. Unfortunately when I try to use external libraries I have to use -classpath option which I rather not doing all the... (1 Reply)
I'm trying to understand if it's possible to create a set of variables that are numbered based on another variable (using eval) in a loop, and then call on it before the loop ends.
As an example I've written a script called question (The fist command is to show what is the contents of the... (2 Replies)
hi all,
I would appreciate if some one could explain me the difference between setting up the variables as shown below
HOME=${HOME:-"/home/user1"}
HOME=/home/user1 (1 Reply)
I'm wondering if any of you could lend an assist with a small problem.
First, I'm under the impression I need to use Delayed Environment Variable Expansion (DEVE), based on other things I've read across the web.
Summary: trying to use command shell (cmd.exe) in XP sp3 (if that's relevant) to... (4 Replies)
Hello Everyone,
I'm still trying to grasp many concepts in .ksh scripting, one of them being variables inside loops. My problem is the following:
* I'm trying to set a variable inside a while read loop to reuse it outside of said loop. My lines are the following :... (13 Replies)
So I'm writing a script to generate pairwise scores for how similar two strings are, and while I've been able to get it to work on a single script, I've been unable to iterate it.
So suppose I have a file thus
1234567890
1234567890
1234567899
first I need to assign two lines, by their... (3 Replies)
Discussion started by: viored
3 Replies
LEARN ABOUT LINUX
ppmtosixel
ppmtosixel(1) General Commands Manual ppmtosixel(1)NAME
ppmtosixel - convert a portable pixmap into DEC sixel format
SYNOPSIS
ppmtosixel [-raw] [-margin] [ppmfile]
DESCRIPTION
Reads a portable pixmap as input. Produces sixel commands (SIX) as output. The output is formatted for color printing, e.g. for a DEC
LJ250 color inkjet printer.
If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled. A printer control header and a color assignment table
begin the SIX file. Image data is written in a compressed format by default. A printer control footer ends the image file.
OPTIONS -raw If specified, each pixel will be explicitly described in the image file. If -raw is not specified, output will default to com-
pressed format in which identical adjacent pixels are replaced by "repeat pixel" commands. A raw file is often an order of magni-
tude larger than a compressed file and prints much slower.
-margin
If -margin is not specified, the image will be start at the left margin (of the window, paper, or whatever). If -margin is speci-
fied, a 1.5 inch left margin will offset the image.
PRINTING
Generally, sixel files must reach the printer unfiltered. Use the lpr -x option or cat filename > /dev/tty0?.
BUGS
Upon rescaling, truncation of the least significant bits of RGB values may result in poor color conversion. If the original PPM maxval was
greater than 100, rescaling also reduces the image depth. While the actual RGB values from the ppm file are more or less retained, the
color palette of the LJ250 may not match the colors on your screen. This seems to be a printer limitation.
SEE ALSO ppm(5)AUTHOR
Copyright (C) 1991 by Rick Vinci.
26 April 1991 ppmtosixel(1)